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Finding the Fourth Proportional to 373,558.96, 515,501.16 and 203,793.04

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Solution

The fourth proportional to 373,558.96, 515,501.16 and 203,793.04 is: 281,228.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,558.96 : 515,501.16 = 203,793.04 : x
  2. Step 2: Convert to fraction form
    373,558.96/515,501.16 = 203,793.04/x
  3. Step 3: Cross multiply
    373,558.96x = 515,501.16 × 203,793.04
  4. Step 4: Simplify right side
    373,558.96x = 105,055,548,519.93
  5. Step 5: Solve for x
    x = 105,055,548,519.93/373,558.96
  6. Step 6: Final answer
    x = 281,228.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.